diff options
Diffstat (limited to 'ghc/rts/gmp/mpn/x86/copyd.asm')
| -rw-r--r-- | ghc/rts/gmp/mpn/x86/copyd.asm | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/ghc/rts/gmp/mpn/x86/copyd.asm b/ghc/rts/gmp/mpn/x86/copyd.asm deleted file mode 100644 index 439640e836..0000000000 --- a/ghc/rts/gmp/mpn/x86/copyd.asm +++ /dev/null @@ -1,80 +0,0 @@ -dnl x86 mpn_copyd -- copy limb vector, decrementing. -dnl -dnl Future: On P6 an MMX loop should be able to go faster than this code. - - -dnl Copyright (C) 1999, 2000 Free Software Foundation, Inc. -dnl -dnl This file is part of the GNU MP Library. -dnl -dnl The GNU MP Library is free software; you can redistribute it and/or -dnl modify it under the terms of the GNU Lesser General Public License as -dnl published by the Free Software Foundation; either version 2.1 of the -dnl License, or (at your option) any later version. -dnl -dnl The GNU MP Library is distributed in the hope that it will be useful, -dnl but WITHOUT ANY WARRANTY; without even the implied warranty of -dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -dnl Lesser General Public License for more details. -dnl -dnl You should have received a copy of the GNU Lesser General Public -dnl License along with the GNU MP Library; see the file COPYING.LIB. If -dnl not, write to the Free Software Foundation, Inc., 59 Temple Place - -dnl Suite 330, Boston, MA 02111-1307, USA. - - -include(`../config.m4') - - -C void mpn_copyd (mp_ptr dst, mp_srcptr src, mp_size_t size); -C -C Copy src,size to dst,size, working from high to low addresses. -C -C The code here is very generic and can be expected to be reasonable on all -C the x86 family. -C -C P5 - 1.0 cycles/limb. -C -C P6 - 2.4 cycles/limb, approx 40 cycles startup. - -defframe(PARAM_SIZE,12) -defframe(PARAM_SRC, 8) -defframe(PARAM_DST, 4) -deflit(`FRAME',0) - - .text - ALIGN(32) - -PROLOGUE(mpn_copyd) - C eax saved esi - C ebx - C ecx counter - C edx saved edi - C esi src - C edi dst - C ebp - - movl PARAM_SIZE, %ecx - movl %esi, %eax - - movl PARAM_SRC, %esi - movl %edi, %edx - - movl PARAM_DST, %edi - leal -4(%esi,%ecx,4), %esi - - leal -4(%edi,%ecx,4), %edi - - std - - rep - movsl - - cld - - movl %eax, %esi - movl %edx, %edi - - ret - -EPILOGUE() |